<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <style>
        html, body, #indexIMG {
            width: 100%;
            height: 100%;
            margin: 0;
        }
        body {
            background: #000;
            background: linear-gradient(#000 50%,#010b17 50%);
        }
        #indexIMG {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            background-image: url("img/pictures/index.jpg");
            background-repeat: no-repeat;
            background-position: center;
            background-size: contain;
        }
        @media only screen and (min-width: 56.25vh) {
            body {
                background: linear-gradient(#000,#010b17);
            }
            #indexIMG {
                width: 100%;
                background-size: cover;
            }
        }
        @media only screen and (min-width: 67.5vh) {
            #indexIMG {
                width: calc(120vh * 1080/1920);
            }
        }
    </style>
</head>
<body>
    <div id="indexIMG"></div>
</body>
<script type="text/javascript">
	setTimeout(function () {
		window.location.href = "html/logon.html";
	}, 2000);
</script>
</html>